Folding electric bicycle

Abstract

The utility model provides a folding electric bicycle which comprises a bicycle frame, the bicycle frame comprises a front wheel frame used for installing a handlebar and a rear wheel frame arranged on one side of the front wheel frame, and one end of the rear wheel frame is rotationally connected with the front wheel frame through a support; the rear wheel frame is rotationally installed on one side of the front wheel frame, the seat frame is rotationally installed on a supporting plate of the rear wheel frame and rotationally connected with the front wheel frame through the linkage rod, and a person can move the seat frame upwards to drive the linkage rod to rotate, so that the front wheel frame and the rear wheel frame are folded. The seat frame drives the front wheel frame and the rear wheel frame to be unfolded through the linkage rod, the seat frame abuts against the locking block so as to limit the seat frame, a person sits on the cushion plate, downward pressure can be continuously output to the seat frame, the front wheel frame can push the seat frame to abut against the locking block through the linkage rod, and the stability of the frame in the unfolded state is guaranteed. The device realizes folding control by moving the seat frame up and down, and is simple to operate and convenient to use.

Description

Technical Field

[0001] This utility model relates to the field of folding vehicle technology, specifically a folding electric vehicle. Background Technology

[0002] In recent years, folding electric bikes have rapidly gained popularity, bringing us great convenience. Their small size makes them easy to carry and store, facilitating short-distance green travel. However, existing folding electric bikes have relatively complex folding mechanisms, are cumbersome to operate, and their folded state is unstable, easily coming undone, affecting the user experience. Utility Model Content

[0003] The technical problem solved by this utility model is to provide a folding electric vehicle to address the issues raised in the background section.

[0004] The technical problem solved by this utility model is achieved by the following technical solution: a folding electric vehicle, comprising:

[0005] A frame, the frame including a front wheel frame for mounting handlebars and a rear wheel frame disposed on one side of the front wheel frame, one end of the rear wheel frame being rotatably connected to the front wheel frame via a bracket;

[0006] A support plate is fixedly installed on one side of the rear wheel frame, and a seat cushion assembly is rotatably installed on the support plate. A linkage rod that cooperates with the seat cushion assembly is provided on the front wheel frame. One side of the linkage rod is rotatably connected to the front wheel frame, and the other side is rotatably connected to the seat cushion assembly to control the closing or unfolding of the front wheel frame and the rear wheel frame. A locking block that limits the seat cushion assembly is provided at a corresponding position on the rear wheel frame to maintain the stability of the electric vehicle in the unfolded state.

[0007] The lower end of the rear wheel frame is provided with a locking hook, and the corresponding position of the rear wheel frame is provided with a locking buckle that engages with the locking hook to ensure the stability of the electric vehicle in the folded state.

[0008] Specifically, when the electric vehicle is unfolded, the user presses down on the seat assembly, which rotates and moves a connecting rod on one side upward. The connecting rod pushes the rear wheel frame and the front wheel frame to unfold. When the seat assembly rises to the corresponding position, the locking block on the rear wheel frame abuts against the upper end of the seat assembly, thereby limiting the seat assembly and maintaining the stability of the electric vehicle in its unfolded state. When the electric vehicle is folded, the outer side of the seat assembly is lifted upward, which moves the connecting rod downward to make the front wheel frame and the rear wheel frame close together. Then, the locking hook and locking buckle work together to lock the front wheel frame and the rear wheel frame.

[0009] As a further embodiment of this utility model:

[0010] The seat cushion assembly includes a pad and a seat frame installed at the lower end of the pad. Support plates are installed on both sides of the rear wheel frame. The seat frame is rotatably installed on the support plate via a pin, and the seat frame extends away from the pin to be rotatably connected to the linkage rod. The rear wheel frame has a displacement groove corresponding to the seat frame and the linkage rod so that the seat frame and the linkage rod can pass through the displacement groove. The locking block is fixedly installed at the upper end of the displacement groove so that when the electric vehicle is unfolded, it abuts against the seat frame to stabilize the seat cushion assembly and prevent the pad from moving downward when a person sits on it.

[0011] As a further embodiment of this utility model:

[0012] The connecting rod has a bent structure. One end of the connecting rod is rotatably mounted on the front wheel frame via a rod seat, and the other end is rotatably mounted on the seat frame via a rod axle. The seat frame has corresponding slots for the connecting rod. When the electric vehicle is deployed, the front wheel frame will exert a force that pushes the connecting rod forward. The bent design of the connecting rod allows the force acting on it to push the seat frame upward, making the seat frame more stable against the locking block and preventing instability during operation.

[0013] As a further embodiment of this utility model:

[0014] The rear wheel frame has a lock groove corresponding to the lock hook. The lock hook includes a lock frame inserted into the lock groove and a hook part provided on one side of the lock frame. The lock frame is rotatably mounted on the rear wheel frame via a frame shaft. A torsion spring acting on the lock frame is provided on the frame shaft. One end of the torsion spring abuts against the rear wheel frame, and the other end abuts against the lock frame, so as to elastically drive the hook part to move to one side. The lock frame abuts against the side wall of the lock groove, so that the lock hook remains stable. The outer end of the lock frame is also provided with a pull handle for easy pulling by a person.

[0015] As a further embodiment of this utility model:

[0016] The locking buckle and the hook part are fixedly installed at the corresponding position of the front wheel frame. The locking buckle has a slot, and the outer end of the hook part is arc-shaped to correspond to the locking buckle, so that the locking buckle can be inserted into the locking slot and push the hook part to move away, so that the hook part can be inserted into the slot, thereby locking and fixing the front wheel frame and the rear wheel frame, maintaining the stability of the electric vehicle when folded, and facilitating personnel to carry and store it.

[0017] As a further embodiment of this utility model:

[0018] A set of wheels is installed at the lower end of the front wheel frame, and a set of wheels is installed at the lower end of the rear wheel frame, forming a two-wheeled folding electric vehicle.

[0019] As a further embodiment of this utility model:

[0020] A set of wheels is installed at the lower end of the front wheel frame, and two sets of wheels are installed side by side at the lower end of the rear wheel frame, forming a three-wheeled folding electric vehicle.

[0021] Compared with existing technologies, the advantages of this invention are as follows: the rear wheel frame is rotatably mounted on one side of the front wheel frame, and the seat frame is rotatably mounted on the support plate of the rear wheel frame, and is rotatably connected to the front wheel frame through a connecting rod. By lifting the seat frame upwards, the connecting rod rotates, allowing the front and rear wheel frames to fold together. When the user presses down on the seat frame, the seat frame unfolds via the connecting rod, and the seat frame rests against the locking block to limit its position. The user, sitting on the pad, can continuously apply downward pressure to the seat frame, and the front wheel frame, through the connecting rod, also pushes the seat frame against the locking block, ensuring the stability of the frame in its unfolded state. This device achieves folding control through the up-and-down movement of the seat frame, making it simple to operate, convenient to use, and improving the user experience. The locking hook and locking buckle work together to lock the front and rear wheel frames, improving the stability of the frame in its folded state, preventing the front and rear wheel frames from coming apart, and facilitating handling and storage. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0023] Figure 2 This is a partial cross-sectional view of the present invention (frame unfolded).

[0024] Figure 3 This is a partial cross-sectional view of the present invention (frame folded).

[0025] The diagram shows the following components: 1. Front wheel frame; 2. Rear wheel frame; 3. Linkage rod; 4. Locking hook; 5. Locking buckle; 11. Rod seat; 21. Support; 22. Support plate; 23. Locking block; 24. Pad plate; 25. Seat frame; 26. Displacement groove; 27. Lock groove; 41. Lock frame; 42. Hook part; 43. Torsion spring; 44. Pull handle; 51. Slot. Detailed Implementation

[0026] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below with reference to specific illustrations.

[0027] like Figures 1-3 As shown,

[0028] This embodiment provides a folding electric vehicle, including:

[0029] The frame includes a front wheel frame 1 for mounting handlebars and a rear wheel frame 2 disposed on one side of the front wheel frame 1, one end of the rear wheel frame 2 being rotatably connected to the front wheel frame 1 via a support 21;

[0030] A support plate 22 is fixedly installed on one side of the rear wheel frame 2. A seat cushion assembly is rotatably installed on the support plate 22. A connecting rod 3 is provided on the front wheel frame 1 to cooperate with the seat cushion assembly. One side of the connecting rod 3 is rotatably connected to the front wheel frame 1, and the other side is rotatably connected to the seat cushion assembly to control the closing or unfolding of the front wheel frame 1 and the rear wheel frame 2. A locking block 23 is provided at the corresponding position of the rear wheel frame 2 to limit the seat cushion assembly and maintain the stability of the electric vehicle in the unfolded state.

[0031] The lower end of the rear wheel frame 2 is provided with a locking hook 4, and the corresponding position of the rear wheel frame 2 is provided with a locking buckle 5 that cooperates with the locking hook 4 to ensure the stability of the electric vehicle in the folded state.

[0032] Specifically, when the electric vehicle is unfolded, the person presses down on the seat assembly, which rotates and drives the linkage rod 3 on one side to move upward. The linkage rod 3 pushes the rear wheel frame 2 and the front wheel frame 1 to unfold. When the seat assembly rises to the corresponding position, the locking block 23 on the rear wheel frame 2 abuts against the upper end of the seat assembly, thereby limiting the seat assembly and maintaining the stability of the electric vehicle in the unfolded state. When the electric vehicle is folded, the outer side of the seat assembly is lifted upward, which drives the linkage rod 3 to move downward, so that the front wheel frame 1 and the rear wheel frame 2 close together. Then, the locking hook 4 and the locking buckle 5 cooperate to lock the front wheel frame 1 and the rear wheel frame 2.

[0033] In this embodiment, the seat cushion assembly includes a pad 24 and a seat frame 25 installed at the lower end of the pad 24. A support plate 22 is installed on both sides of the rear wheel frame 2. The seat frame 25 is rotatably installed on the support plate 22 via a pin, and the seat frame 25 extends away from the pin to be rotatably connected to the linkage rod 3. The rear wheel frame 2 is provided with a displacement groove 26 corresponding to the seat frame 25 and the linkage rod 3 so that the seat frame 25 and the linkage rod 3 can pass through the displacement groove 26. The locking block 23 is fixedly installed at the upper end of the displacement groove 26 so that when the electric vehicle is in the unfolded state, it abuts against the seat frame 25 to stabilize the seat cushion assembly and prevent the pad 24 from moving downward when a person sits on it.

[0034] The connecting rod 3 has a bent structure. One end of the connecting rod 3 is rotatably mounted on the front wheel frame 1 via the rod seat 11, and the other end is rotatably mounted on the seat frame 25 via the rod shaft. The seat frame 25 has a corresponding slot for the connecting rod 3. In the specific unfolded state of the electric vehicle, the front wheel frame 1 will exert a force that pushes the connecting rod 3 to move during movement. The bent design of the connecting rod 3 allows the force on the connecting rod 3 to push the seat frame 25 upward, making the seat frame 25 more stable against the locking block 23 and preventing instability when the electric vehicle is unfolded while in motion.

[0035] In this embodiment, the rear wheel frame 2 has a lock groove 27 corresponding to the lock hook 4. The lock hook 4 includes a lock frame 41 inserted into the lock groove 27 and a hook portion 42 disposed on one side of the lock frame 41. The lock frame 41 is rotatably mounted on the rear wheel frame 2 via a frame shaft. A torsion spring 43 acting on the lock frame 41 is provided on the frame shaft. One end of the torsion spring 43 abuts against the rear wheel frame 2, and the other end abuts against the lock frame 41, so as to elastically drive the hook portion 42 to move to one side. The lock frame 41 abuts against the side wall of the lock groove 27, so that the lock hook 4 remains stable. The outer end of the lock frame 41 is also provided with a pull handle 44 for easy pulling by personnel.

[0036] The locking buckle 5 is fixedly installed at the corresponding position of the front wheel frame 1 in conjunction with the hook part 42. The locking buckle 5 has a slot 51. The outer end of the hook part 42 is arc-shaped corresponding to the locking buckle 5 so that the locking buckle 5 can be inserted into the locking slot 27 and push the hook part 42 to move away, so that the hook part 42 can be inserted into the slot 51, thereby locking and fixing the front wheel frame 1 and the rear wheel frame 2, maintaining the stability of the electric vehicle when folded, and facilitating personnel to carry and store it.

[0037] In this embodiment, a set of wheels is installed at the lower end of the front wheel frame 1, and a set of wheels is installed at the lower end of the rear wheel frame 2, forming a two-wheeled folding electric vehicle. Alternatively, a set of wheels can be installed at the lower end of the front wheel frame 1, and two sets of wheels can be installed side-by-side at the lower end of the rear wheel frame 2, forming a three-wheeled folding electric vehicle. This folding frame structure can be installed on either a two-wheeled or three-wheeled folding electric vehicle. In the folded state, the wheels at the lower end of the front wheel frame are located above the wheels at the lower end of the rear wheel frame, allowing the rear and front wheel frames to be stacked parallel to each other, reducing the size of the folded frame and facilitating carrying and storage.

[0038] Specifically, the rear wheel frame 2 is rotatably mounted on one side of the front wheel frame 1, and the seat frame 25 is rotatably mounted on the support plate 22 of the rear wheel frame 2, and is rotatably connected to the front wheel frame 1 via a connecting rod 3. A person can lift the seat frame 25 upwards to rotate the connecting rod 3, thus folding the front wheel frame 1 and the rear wheel frame 2 together. When a person presses down on the seat frame 25, the seat frame 25, through the connecting rod 3, unfolds the front wheel frame 1 and the rear wheel frame 2, and the seat frame 25 abuts against the locking block 23 to limit its position. A person sitting on the pad 24 can continuously apply downward pressure to the seat frame 25, and the front wheel frame 1, through the connecting rod 3, will also push the seat frame 25 against the locking block 23, ensuring the stability of the frame in its unfolded state. This device achieves folding control by moving the seat frame 25 up and down, is simple to operate, convenient to use, and improves the user experience. The locking hook 4 and the locking buckle 5 work together to lock the front wheel frame 1 and the rear wheel frame 2, which can improve the stability of the frame in the folded state. The front wheel frame 1 and the rear wheel frame 2 will not come loose, making it convenient for personnel to carry and store.

[0039] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents. It should be noted that, in this document, the use of relational terms such as "first" and "second" is merely used to distinguish one entity or operation from another, and does not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. In the absence of further restrictions, an element defined by the phrase "comprising a..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. Folding electric vehicles, including: The frame includes a front wheel frame (1) for mounting handlebars and a rear wheel frame (2) disposed on one side of the front wheel frame (1). One end of the rear wheel frame (2) is rotatably connected to the front wheel frame (1) via a support (21). The frame is characterized in that a support plate (22) is fixedly installed on one side of the rear wheel frame (2), and a seat cushion assembly is rotatably installed on the support plate (22). A connecting rod (3) is provided on the front wheel frame (1) to cooperate with the seat cushion assembly. One side of the connecting rod (3) is rotatably connected to the front wheel frame (1), and the other side is rotatably connected to the seat cushion assembly to control the closing or unfolding of the front wheel frame (1) and the rear wheel frame (2). A locking block (23) is provided at a corresponding position on the rear wheel frame (2) to limit the seat cushion assembly. The lower end of the rear wheel frame (2) is provided with a locking hook (4), and the corresponding position of the rear wheel frame (2) is provided with a locking buckle (5) that engages with the locking hook (4) to ensure the stability of the electric vehicle in the folded state.

2. The folding electric vehicle according to claim 1, characterized in that: The seat assembly includes a pad (24) and a seat frame (25) installed at the lower end of the pad (24). A support plate (22) is installed on both sides of the rear wheel frame (2). The seat frame (25) is rotatably installed on the support plate (22) by a pin, and the seat frame (25) extends away from the pin to be rotatably connected to the linkage rod (3). The rear wheel frame (2) is provided with a displacement groove (26) corresponding to the seat frame (25) and the linkage rod (3) so that the seat frame (25) and the linkage rod (3) can pass through the displacement groove (26). The locking block (23) is fixedly installed at the upper end of the displacement groove (26) to abut against the seat frame (25) when the electric vehicle is in the unfolded state.

3. The folding electric vehicle according to claim 2, characterized in that: The connecting rod (3) is a bent structure. One end of the connecting rod (3) is rotatably mounted on the front wheel frame (1) through the rod seat (11), and the other end is rotatably mounted on the seat frame (25) through the rod shaft. The seat frame (25) is provided with corresponding slots for the connecting rod (3).

4. The folding electric vehicle according to claim 1, characterized in that: The rear wheel frame (2) has a lock groove (27) corresponding to the lock hook (4). The lock hook (4) includes a lock frame (41) inserted into the lock groove (27) and a hook part (42) provided on one side of the lock frame (41). The lock frame (41) is rotatably mounted on the rear wheel frame (2) via a frame shaft. A torsion spring (43) acting on the lock frame (41) is provided on the frame shaft. One end of the torsion spring (43) abuts against the rear wheel frame (2) and the other side abuts against the lock frame (41) to elastically drive the hook part (42) to move to one side. The lock frame (41) abuts against one side wall of the lock groove (27) to keep the lock hook (4) stable. The outer end of the lock frame (41) is also provided with a pull handle (44) for easy pulling by personnel.

5. The folding electric vehicle according to claim 4, characterized in that: The locking buckle (5) is fixedly installed at the corresponding position of the front wheel frame (1) in conjunction with the hook part (42). The locking buckle (5) has a slot (51). The outer end of the hook part (42) is arc-shaped corresponding to the locking buckle (5) so that the locking buckle (5) can be inserted into the locking groove (27) and push the hook part (42) to move away, so that the hook part (42) can be inserted into the slot (51), thereby locking and fixing the front wheel frame (1) and the rear wheel frame (2).

6. The folding electric vehicle according to claim 1, characterized in that: A set of wheels is installed at the lower end of the front wheel frame (1), and a set of wheels is installed at the lower end of the rear wheel frame (2), forming a two-wheeled folding electric vehicle.

7. The folding electric vehicle according to claim 1, characterized in that: The front wheel frame (1) has a set of wheels installed at its lower end, and the rear wheel frame (2) has two sets of wheels installed side by side at its lower end, forming a three-wheeled folding electric vehicle.

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